<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8">
    <title>圆形进度条</title>
    <style>
        .circleProgress_wrapper {
            width: 200px;
            height: 200px;
            margin: 50px auto;
            position: relative;
            border: 1px solid #ddd;
        }

        .wrapper {
            width: 100px;
            height: 200px;
            position: absolute;
            top: 0;
            overflow: hidden;
        }

        .right {
            right: 0;
        }

        .left {
            left: 0;
        }

        .circleProgress {
            width: 160px;
            height: 160px;
            border: 20px solid rgb(232, 232, 12);
            border-radius: 50%;
            position: absolute;
            top: 0;
            -webkit-transform: rotate(45deg);
        }

        .rightcircle {
            border-top: 20px solid green;
            border-right: 20px solid green;
            right: 0;
            -webkit-animation: circleProgressLoad_right 5s linear infinite;
        }

        .leftcircle {
            border-bottom: 20px solid green;
            border-left: 20px solid green;
            left: 0;
            -webkit-animation: circleProgressLoad_left 5s linear infinite;
        }

        @-webkit-keyframes circleProgressLoad_right {
            0% {
                border-top: 20px solid #ED1A1A;
                border-right: 20px solid #ED1A1A;
                -webkit-transform: rotate(45deg);
            }
            50% {
                border-top: 20px solid rgb(232, 232, 12);
                border-right: 20px solid rgb(232, 232, 12);
                border-left: 20px solid rgb(81, 197, 81);
                border-bottom: 20px solid rgb(81, 197, 81);
                -webkit-transform: rotate(225deg);
            }
            100% {
                border-left: 20px solid green;
                border-bottom: 20px solid green;
                -webkit-transform: rotate(225deg);
            }
        }

        @-webkit-keyframes circleProgressLoad_left {
            0% {
                border-bottom: 20px solid #ED1A1A;
                border-left: 20px solid #ED1A1A;
                -webkit-transform: rotate(45deg);
            }
            50% {
                border-bottom: 20px solid rgb(232, 232, 12);
                border-left: 20px solid rgb(232, 232, 12);
                border-top: 20px solid rgb(81, 197, 81);
                border-right: 20px solid rgb(81, 197, 81);
                -webkit-transform: rotate(45deg);
            }
            100% {
                border-top: 20px solid green;
                border-right: 20px solid green;
                border-bottom: 20px solid green;
                border-left: 20px solid green;
                -webkit-transform: rotate(225deg);
            }
        }
    </style>
</head>

<body>
    <div class="circleProgress_wrapper">
        <div class="wrapper right">
            <div class="circleProgress rightcircle"></div>
        </div>
        <div class="wrapper left">
            <div class="circleProgress leftcircle"></div>
        </div>
    </div>
</body>

</html>
